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NASA’s Agency-wide Collaboration on Radiation Challenges Presented to the Solar and Space Physics - Vision for Space Exploration Conference Dr. Gale J. Allen 18 October 2005 NASA’s Agency-wide Collaboration on Radiation Challenges Radiation – Agency Challenges

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nasa s agency wide collaboration on radiation challenges
NASA’s Agency-wide Collaboration on Radiation Challenges
  • Radiation – Agency Challenges
    • Background on Radiation Challenges
    • Radiation Research Working Group Charter
    • Impact of Vision for Space Exploration
    • Where are we today?
    • Schedule of Tiger Team
  • Radiation - Health Challenges
    • Bioastronautics Roadmap Radiation Risks
    • Recommendations of the National Academies Institute of Medicine
status of nasa radiation working group
Status of NASA Radiation Working Group
  • Radiation impacts much of NASA’s mission content including robotic and human space flight
  • The costs associated with achieving the Vision for Space Exploration are quite significant
  • Understanding the interrelationships and impacts among upper atmospheric aeronautics, Earth and space science, spacecraft, robotics, mission design, and on human health are vital
  • An integrated radiation strategy for the Agency is highly desirable
status of nasa radiation research working group
Status of NASA Radiation Research Working Group
  • Then –NASA’s Space Radiation Research working group was established to coordinate Agency-wide activities related to space radiation and to recommend research directions
  • The focus was on radiation protection on the International Space Station and issues faced by missions out of Low Earth Orbit (LEO)
  • The working group was composed of representatives from relevant HQ enterprises and applicable centers
  • Chaired by DAA for Science in Office of Biological and Physical Science
  • Reporting was to the NASA Chief Scientist
status of nasa radiation working group6
Status of NASA Radiation Working Group

Now -

  • The Vision for Space Exploration has established an aggressive schedule for human exploration beyond LEO
  • There is no longer a Chief Scientist at HQ
  • The Office of Biological and Physical Research no longer exists
  • Due to reorganizations and transformations the Working Group has not been meeting in recent years
  • It is recognized radiation issues are broader and more cross-cutting than previously addressed
  • Need more formal process rather than ad hoc
status of nasa radiation research working group7
Status of NASA Radiation Research Working Group

Current Plan

  • Address the broad scope of radiation impacts
  • Reactivate the Radiation Working Group and expand focus and participation
  • Lots of good work on going need to converge data/knowledge

How?

  • Establish tiger team to:
    • Define requirements – decide what aspects of radiation should be included?
    • Develop a draft charter
    • Identify key players and recommend working group membership (NASA HQ, centers, other Agencies) Decide chair and possible rotation
  • Define products of the working group
    • Comprehensive integrated radiation plan
    • Reporting requirements and frequency
status of nasa radiation working group8
Status of NASA Radiation Working Group
  • The Working Group will:
    • Ensure all aspects of radiation of interest to NASA are addressed
    • Identify and document requirements
    • Identify gaps
    • Develop strategy to fill gaps
    • Develop and manage a comprehensive radiation plan
    • Leverage leverage leverage
space radiation health risks
Space Radiation Health Risks
  • Bioastronautics Roadmap – A Risk Reduction Strategy for Human Space Exploration

See http://bioastroroadmap.nasa.gov for more info

    • 45 risks identified total – 4 radiation
      • Carcinogenesis –increased morbidity or mortality
      • Acute and late CNS risks – motor function and behavior or neurological
      • Chronic and degenerative tissue (non-cancer- non-CNS cardiac, circulatory, digestive, cataracts)
      • Acute radiation risk (occupational radiation exposure)
    • 41 research and technology questions associated with radiation
      • Encompass issues that should be sufficiently addressed to mitigate and retire risks
space radiation health risks12
Space Radiation Health Risks
  • NASA commissioned the National Academies - Institute of Medicine to review the Bioastronautics Roadmap
    • For more info go to www.nap.edu
  • 18 month study; Six month interim report delivered Oct ‘04
  • Briefing of findings and recommendations this afternoon
  • Report will be publicly available October 20th
  • Radiation was addressed in detail
space radiation health risks13
Space Radiation Health Risks
  • Charge to IOM
    • How can the BR better capture & describe risks & R&T issues for risk reduction?
    • Does the BR use appropriate method of risk assessment?
    • How well does BR address different types of risks?
    • Are categories of critical research issues & metrics used to analyze them appropriate?
    • Are efficiency and technology issues properly and adequately addressed?
space radiation health risks14
Space Radiation Health Risks
  • Radiation Issues
    • Does protection against late radiation effects also protect against acute effects with respect to galactic cosmic rays?
    • Are pharmacology and food exposure to radiation adequately addressed?
    • What is the priority for establishing safe radiation exposures based on duration and destination for each radiation risk?
space radiation health risks15
Space Radiation Health Risks
  • Next Steps
    • Assess IOM recommendations for radiation
    • Review radiation research plan
    • Make adjustments where applicable